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authorvan Hauser <vh@thc.org>2022-08-25 15:56:36 +0200
committerGitHub <noreply@github.com>2022-08-25 15:56:36 +0200
commit413e68ab6d588b12976c5ff34e1a27eae48c26d8 (patch)
tree24ac9dc2eb3bf5c3f114e9e0abb52729f893b8ed /src/afl-fuzz-queue.c
parent3e2986dd78dbc45035b47a34eedd7dd1b9a4d0b3 (diff)
parenteb5a914ef670d43cc41ce130edb4e0586d97e278 (diff)
downloadafl++-413e68ab6d588b12976c5ff34e1a27eae48c26d8.tar.gz
Merge pull request #1499 from AFLplusplus/dev
push to stable
Diffstat (limited to 'src/afl-fuzz-queue.c')
-rw-r--r--src/afl-fuzz-queue.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/src/afl-fuzz-queue.c b/src/afl-fuzz-queue.c
index 02d697ab..d8dbdfbe 100644
--- a/src/afl-fuzz-queue.c
+++ b/src/afl-fuzz-queue.c
@@ -795,8 +795,14 @@ void cull_queue(afl_state_t *afl) {
 
 u32 calculate_score(afl_state_t *afl, struct queue_entry *q) {
 
-  u32 avg_exec_us = afl->total_cal_us / afl->total_cal_cycles;
-  u32 avg_bitmap_size = afl->total_bitmap_size / afl->total_bitmap_entries;
+  u32 cal_cycles = afl->total_cal_cycles;
+  u32 bitmap_entries = afl->total_bitmap_entries;
+
+  if (unlikely(!cal_cycles)) { cal_cycles = 1; }
+  if (unlikely(!bitmap_entries)) { bitmap_entries = 1; }
+
+  u32 avg_exec_us = afl->total_cal_us / cal_cycles;
+  u32 avg_bitmap_size = afl->total_bitmap_size / bitmap_entries;
   u32 perf_score = 100;
 
   /* Adjust score based on execution speed of this path, compared to the